*{
  margin: 0;
  padding: 0;
}
html,body{
  width: 100%;
}
li{
  list-style: none;
}
.wrap{
  width: 100%;
  height: 40px;
  background-color: rgb(51,51,51);
  display: flex;
}
.nav{
  width: 1300px;
  height: 20px;
  margin: 0 auto;
  font-size: 12px;
  color: rgb(176,176,176);
  text-align: center;
  margin-top: 10px;
}
.nav span{
  float: left;
  border-right: 1px solid #ccc;
  box-sizing: border-box;
  padding-left: 10px;
  padding-right: 10px;
}
.nav span:nth-child(13){
  margin-left: 160px;
}
.nav span:nth-child(15){
  border-right: none;
}
.nav span:last-child{
  display: inline-block;
  width: 150px;
  height: 40px;
  border-right: none;
  margin-top: -10px;
  text-align: center;
  line-height: 40px;
  background-color: rgb(66,66,66);
}